Fit & Design: Built for moving fast and covering long distances The ultimate blend of durability, lightweight construction, and load carrying comfort Weight: 1.53 lbs. Challenge Sailcloth Ultra 200 body fabric is lightweight, tear resistant, and extremely durable Running vest-inspired shoulder straps with extra storage pockets provide a comfortable and dynamic carrying system Removable frame pad gives structure with minimal weight penalty External power mesh stretch outer pocket 2 oversized ripstop side pockets Removable hip belt system can reduce weight or allow for user modification 4 adjustable and removable Dynex core compression straps secure the pack and allow for alternative adjustment and lashing systems Internal sleeve is hydration bladder compatible Modular design allows quick and secure attachment of the Beta Light Satellite 4L bag for additional storage Technology: Roll-top closure, taped seams, and waterproof fabric create a weatherproof pack body and keep your essentials dry Additional Details: All Black Diamond products are covered by a 2 year warranty policy